Double-layer handlebar belt with wide and narrow portions, and method and equipment for weaving the double-layer handlebar belt with wide and narrow portions

Abstract

The present disclosure provides a double-layer handlebar belt with wide and narrow portions, a method and an equipment for weaving the double-layer handlebar belt with wide and narrow portions. The double-layer handlebar belt includes: single-layer segments; first double-layer segments alternately connected with the single-layer segments, the first double-layer segment includes a first layer and a second layer, the first layer is arranged below the second layer, a width of the first layer is greater than that of the second layer; second double-layer segments alternately connected with the single-layer segments, the second double-layer segment includes a third layer and a fourth layer, the third layer is arranged below the fourth layer, a width of the third layer is greater than that of the fourth layer, and the fourth layer has a hollow structure, the single-layer segment, the first double-layer segment and the second double-layer segment are woven in one piece.

What is claimed is: 
     
         1 . A double-layer handlebar belt with wide and narrow portions, comprising:
 single-layer segments;   first double-layer segments alternately connected with the single-layer segments, the first double-layer segment comprises a first layer and a second layer, the first layer is arranged below the second layer, a width of the first layer is greater than that of the second layer; and   second double-layer segments alternately connected with the single-layer segments, the second double-layer segment comprises a third layer and a fourth layer, the third layer is arranged below the fourth layer, a width of the third layer is greater than that of the fourth layer, and the fourth layer has a hollow structure, wherein   the single-layer segments, the first double-layer segments and the second double-layer segment are woven in one piece.   
     
     
         2 . The double-layer handlebar belt with wide and narrow portions according to  claim 1 , wherein
 the single-layer segment comprises a first single-layer segment and a second single-layer segment;   a first end of the first layer and a first end of the second layer are connected to the first single-layer segment; a second end of the first layer and a second end of the second layer are connected with a first end of the second single-layer segment; and   a first end of the third layer and a first end of the fourth layer are connected to a second end of the second single-layer segment.   
     
     
         3 . The double-layer handlebar belt with wide and narrow portions of  claim 2 , wherein
 the second layer further comprises a third end arranged at a middle of the second layer; the first end and the second end of the second layer are respectively arranged at two ends of the second layer; wherein   a width of the first end of the second layer and a width of the second end of the second layer are greater than a width of the third end of the second layer.   
     
     
         4 . The double-layer handlebar belt with wide and narrow portions of  claim 1 , wherein the second layer is arc shaped with respect to the first layer. 
     
     
         5 . The double-layer handlebar belt with wide and narrow portions of  claim 1 , wherein the single-layer segment, the first double-layer segment and the second double-layer segment are made of elastic fabrics or non-elastic fabrics. 
     
     
         6 . The double-layer handlebar belt with wide and narrow portions of  claim 1 , wherein a material shrinkage rate of the first layer is greater than that of the second layer, and a material shrinkage rate of the third layer is greater than that of the fourth layer. 
     
     
         7 . A method for weaving a double-layer handlebar belt with wide and narrow portions, comprising:
 weaving single layer segments;   weaving first double layer segments, the first double-layer segment comprises a first layer and a second layer, the first layer is arranged below the second layer, a width of the first layer is greater than that of the second layer;   weaving second double layer segments, the second double-layer segment comprises a third layer and a fourth layer, the third layer is arranged below the fourth layer, a width of the third layer is greater than that of the fourth layer, and the fourth layer has a hollow structure, wherein   the single layer segments are connected with the double-layer segments alternately, and the single layer segments and the double-layer segments are woven in one piece.   
     
     
         8 . The method of  claim 7 , wherein the operation “weaving first double layer segments” comprises:
 weaving a first layer and a second layer respectively; wherein 
 when weaving the second layer, controlling a steel buckle to move upwards, and the woven yarn moving upwards based on the steel buckle from a first position of the steel buckle to a second position of the steel buckle, and reducing a conveying capacity of a weft yarn, as such the width of the second layer is reduced from a first width to a second width; controlling the steel buckle to move downwards, the woven yarn moving downwards based on the steel buckle from the second position of the steel buckle to the first position of the steel buckle, and increasing the conveying capacity of the weft yarn, as such the width of the second layer is increased from the second width to the first width; and a width of the first position of the steel buckle is greater than that of the second position of the steel buckle. 
 
     
     
         9 . The method of  claim 7 , wherein the operation “weaving second double layer segments” comprises:
 weaving a third layer and a fourth layer respectively; wherein 
 when weaving the fourth layer, controlling a steel buckle to move upwards, and the woven yarn moving upwards based on the steel buckle from a first position of the steel buckle to a second position of the steel buckle, and reducing a conveying capacity of a weft yarn, as such the width of the second layer is reduced from a first width to a second width; wherein a width of the first position of the steel buckle is greater than that of the second position of the steel buckle. 
 
     
     
         10 . The method of  claim 7 , wherein
 the single-layer segment comprises a first single-layer segment and a second single-layer segment;   a first end of the first layer and a first end of the second layer are connected to the first single-layer segment; a second end of the first layer and a second end of the second layer are connected with a first end of the second single-layer segment; and   a first end of the third layer and a first end of the fourth layer are connected to a second end of the second single-layer segment.   
     
     
         11 . The method of  claim 10 , wherein
 the second layer further comprises a third end arranged at a middle of the second layer; the first end and the second end of the second layer are respectively arranged at two ends of the second layer; wherein   a width of the first end of the second layer and a width of the second end of the second layer are greater than a width of the third end of the second layer.   
     
     
         12 . The method of  claim 7 , wherein the second layer is arc shaped with respect to the first layer. 
     
     
         13 . The method of  claim 7 , wherein the single-layer segment, the first double-layer segment and the second double-layer segment are made of elastic fabrics or non-elastic fabrics. 
     
     
         14 . The method of  claim 7 , wherein a material shrinkage rate of the first layer is greater than that of the second layer, and a material shrinkage rate of the third layer is greater than that of the fourth layer. 
     
     
         15 . An equipment for weaving a double-layer handlebar belt with wide and narrow portions, wherein the equipment is configured to execute a method as described in  claim 7  and weave the double-layer handlebar belt with wide and narrow portions as described in  claim 1 . 
     
     
         16 . The equipment of  claim 15 , wherein the operation “weaving first double layer segments” executed by the equipment comprises:
 weaving a first layer and a second layer respectively; wherein 
 when weaving the second layer, controlling a steel buckle to move upwards, and the woven yarn moving upwards based on the steel buckle from a first position of the steel buckle to a second position of the steel buckle, and reducing a conveying capacity of a weft yarn, as such the width of the second layer is reduced from a first width to a second width; controlling the steel buckle to move downwards, the woven yarn moving downwards based on the steel buckle from the second position of the steel buckle to the first position of the steel buckle, and increasing the conveying capacity of the weft yarn, as such the width of the second layer is increased from the second width to the first width; and a width of the first position of the steel buckle is greater than that of the second position of the steel buckle. 
 
     
     
         17 . The equipment of  claim 15 , wherein the operation “weaving second double layer segments” executed by the equipment comprises:
 weaving a third layer and a fourth layer respectively; wherein 
 when weaving the fourth layer, controlling a steel buckle to move upwards, and the woven yarn moving upwards based on the steel buckle from a first position of the steel buckle to a second position of the steel buckle, and reducing a conveying capacity of a weft yarn, as such the width of the second layer is reduced from a first width to a second width; wherein a width of the first position of the steel buckle is greater than that of the second position of the steel buckle. 
 
     
     
         18 . The equipment of  claim 15 , wherein
 the single-layer segment comprises a first single-layer segment and a second single-layer segment;   a first end of the first layer and a first end of the second layer are connected to the first single-layer segment; a second end of the first layer and a second end of the second layer are connected with a first end of the second single-layer segment; and   a first end of the third layer and a first end of the fourth layer are connected to a second end of the second single-layer segment.   
     
     
         19 . The equipment of  claim 18 , wherein
 the second layer further comprises a third end arranged at a middle of the second layer; the first end and the second end of the second layer are respectively arranged at two ends of the second layer; wherein   a width of the first end of the second layer and a width of the second end of the second layer are greater than a width of the third end of the second layer.   
     
     
         20 . The equipment of  claim 15 , wherein the second layer is arc shaped with respect to the first layer.